Customer.io Outage History
Uptime record, past incidents, and downtime history for Customer.io.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| April 2026 | 90% | 10 | 1 |
| March 2026 | 96.8% | 31 | 1 |
| February 2026 | 91.3% | 23 | 2 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 64 Days)
Feb 6
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
April 2026
EU Region API Processing Delays
Started: Apr 7, 4:46 PM
investigating
We are continuing to investigate this and will be back again as soon as we have an update. Thank you for your continued patience!
Apr 7, 5:26 PM
investigating
Some customers in our EU region may be experiencing delays with processing data sent in through our API. Our team is investigating the cause and will provide an update soon. Thank you for your patience!
Apr 7, 4:46 PM
March 2026
Domain Verification Currently Unavailable
Started: Mar 16, 9:30 AM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 16, 9:48 AM
identified
The issue has been identified and a fix is being implemented.
Mar 16, 9:38 AM
investigating
Customers are unable to add or edit unverified sending domains.
Mar 16, 9:30 AM